163523646325361 has 8 divisors (see below), whose sum is σ = 187167754741440. Its totient is φ = 139950434787408.

The previous prime is 163523646325349. The next prime is 163523646325393.

163523646325361 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-163523646325361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163523646325297 and 163523646325306.

It is not an unprimeable number, because it can be changed into a prime (163523646325661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17724214586 + ... + 17724223811.

It is an arithmetic number, because the mean of its divisors is an integer number (23395969342680).

Almost surely, 2^{163523646325361} is an apocalyptic number.

It is an amenable number.

163523646325361 is a deficient number, since it is larger than the sum of its proper divisors (23644108416079).

163523646325361 is an equidigital number, since it uses as much as digits as its factorization.

163523646325361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35448439063.

The product of its digits is 41990400, while the sum is 56.

The spelling of 163523646325361 in words is "one hundred sixty-three trillion, five hundred twenty-three billion, six hundred forty-six million, three hundred twenty-five thousand, three hundred sixty-one".